Screenshot: Installing MyInvois Extension

1. Open Manager and go to Settings → Extensions.
2. Find MyInvois Extension in the Extension Directory.
3. Click the extension to open the installation panel.
4. Your businesses will be listed automatically.
5. Click Install next to each business you want to enable.

Screenshot: Integration Wizard

The wizard helps ensure your connection to LHDNM is complete:

• Fill in all required integration fields (business info, credentials, environment).
• Verify credentials with the LHDNM system (credentials must match with selected environment).
• Document v1.0 → no certificate required.
• Document v1.1 → valid certificate from an LHDNM-recognized provider required.

Screenshot: Submitting Invoice / Credit Note

1. Create a Sales Invoice or Credit Note in Manager.
2. Open the document view and click the MyInvois Extension button.
3. The extension converts the document into a MyInvois-compliant e-Invoice.
4. Click Submit to send it to LHDNM.
5. Upon success, the Submitted status will be updated in Manager.
6. If there are errors, they will be displayed for correction.
7. Click Check Status, to get document status from LHDNM portal.
8. When document status is Valid or Cancelled, QR Code will be generated and saved to Manager Invoice.

Screenshot: Taxpayer Lookup Options

You can verify taxpayer details using Taxpayer QR codes. Supported methods:

• Scan with camera
• Drag & drop a QR code image
• Open file from device
• Manually type the QR content

Retrieved taxpayer data can be saved as Customer Data in Manager, ensuring records are consistent with the official LHDNM database.